My cartoon strips in college strived to have the Schulzian mix of surrealism and Charlie Brown angst. A bit of that combo shows up in 'Up.'

Charlie Brown is almost a tragic figure.

I was a big 'Charlie Brown' fan as a kid.

A Charlie Brown Christmas.

Sometimes I lie awake at night, and I ask, 'Where have I gone wrong'.
Then a voice says to me, 'This is going to take more than one night.

Odin, not unlike Charlie Brown, sighed, “Good grief,” then added, “Why are we going to let this, this, coward on our trip? What do you see in him that could make you want him to come along?